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PCE
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DIFF Subgroup
G01C 9/34

of the tubular type, i.e. for indicating the level in one direction only

Introduced: September 1968

Full Title

Measuring inclination, e.g. by clinometers, by levels > by using liquids > in closed containers partially filled with liquid so as to leave a gas bubble > of the tubular type, i.e. for indicating the level in one direction only

No child classifications to compare. This is a leaf node in both IPC and CPC.